In the paper, the source and sorting of noise in microwave communication receiving system is described; and noise coefficient and network noiseness are analysised in detail.
本文全面论述了微波通信接收系统的噪声来源和分类，并较详细地分析了噪声系数及网络的噪声特性。
With the increasing of soil loss, the sorting coefficient for soil particle diameter of a layer decrease in different types of land utilization.
随着土壤流失程度的增大，流域不同土地利用状况下的A层土壤颗粒粒径分选系数降低。
The rationality of the conversion coefficient (K) formula affects the analytical quality of uranium content of the ore from underground mining and the sorting quality.
换算系数(K)的公式是否合理，直接影响出窿矿石铀含量的分析质量和矿石的分选质量。
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